Commonly used Windows SDK and MFC data types are as follows:
BOOL A Boolean value.
BSTR A 32-bit character pointer.
BYTE An 8-bit integer that is not signed.
COLORREF A 32-bit value used as a color value.
DWORD A 32-bit unsigned integer or the address of a segment and its associated offset.
LONG A 32-bit signed integer.
LPARAM A 32-bit value passed as a parameter to a window procedure or callback function.
LPCSTR A 32-bit pointer to a constant character string.
LPSTR A 32-bit pointer to a character string.
LPCTSTR A 32-bit pointer to a constant character string that is portable for Unicode and DBCS.
LPTSTR A 32-bit pointer to a character string that is portable for Unicode and DBCS.
LPVOID A 32-bit pointer to an unspecified type.
LRESULT A 32-bit value returned from a window procedure or callback function.
UINT A 16-bit unsigned integer on Windows versions 3.0 and 3.1; a 32-bit unsigned integer on Win32.
WNDPROC A 32-bit pointer to a window procedure.
WORD A 16-bit unsigned integer.
WPARAM A value passed as a parameter to a window procedure or callback function: 16 bits on Windows versions 3.0 and 3.1; 32 bits on Win32.
Data types unique to the Microsoft Foundation Class Library include the following:
POSITION A value used to denote the position of an element in a collection; used by MFC collection classes.
LPCRECT A 32-bit pointer to a constant (nonmodifiable) RECT structure.
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2004/11/30 11:08:00
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SDK 和 MFC 中常用数据类型汇总